Calamos S&P 500 Structured Alt Protection ETF - December
CPSD
27 hedge funds and large institutions have $23.1M invested in Calamos S&P 500 Structured Alt Protection ETF - December in 2025 Q1 according to their latest regulatory filings, with 7 funds opening new positions, 9 increasing their positions, 6 reducing their positions, and 6 closing their positions.
50% more repeat investments, than reductions
Existing positions increased: 9 | Existing positions reduced: 6
17% more first-time investments, than exits
New positions opened: 7 | Existing positions closed: 6
12% more capital invested
Capital invested by funds: $20.5M → $23.1M (+$2.56M)
4% more funds holding
Funds holding: 26 → 27 (+1)
8.49% less ownership
Funds ownership: 58.55% → 50.06% (-8.5%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Cambridge Investment Research Advisors
Fairfield,
Iowa
|
+$2.06M |
| 2 |
CF
Cyr Financial
Hennepin,
Illinois
|
+$1.49M |
| 3 |
CWM
Calamos Wealth Management
Naperville,
Illinois
|
+$1.02M |
| 4 |
AO
Advisor OS
Chicago,
Illinois
|
+$1M |
| 5 |
WAM
Worth Asset Management
Dallas,
Texas
|
+$746K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jane Street
New York
|
-$1.67M |
| 2 |
Calamos Advisors
Naperville,
Illinois
|
-$1.38M |
| 3 |
BFG
Berger Financial Group
Plymouth,
Minnesota
|
-$691K |
| 4 |
OMC
Old Mission Capital
Chicago,
Illinois
|
-$646K |
| 5 |
WCP
Wick Capital Partners
Wayne,
Pennsylvania
|
-$444K |
CPSD Hedge Fund Activity: Q1 2025 in Review
27 of the 7,458 institutional investors tracked by Wall St. Rank reported a position in Calamos S&P 500 Structured Alt Protection ETF - December (CPSD) for Q1 2025, worth a combined $23.1M — up 12% from $20.5M a quarter earlier.
Buyers outnumbered sellers: 7 funds opened new CPSD positions and 6 closed out — a net gain of 1 holder — while 9 added to existing stakes and 6 trimmed.
The largest buyer was Cambridge Investment Research Advisors, opening a new position worth an estimated $2.06M. The largest seller was Jane Street, exiting entirely with an estimated $1.67M sold.
- 27 institutional investors held Calamos S&P 500 Structured Alt Protection ETF - December (CPSD) as of Q1 2025, up from 26 in Q4 2024.
- Funds reported $23.1M of Calamos S&P 500 Structured Alt Protection ETF - December stock for Q1 2025, up 12% quarter-over-quarter.
- 7 funds opened new Calamos S&P 500 Structured Alt Protection ETF - December positions in Q1 2025 and 6 closed out, a net change of +1 holder.
- The largest Calamos S&P 500 Structured Alt Protection ETF - December buyer in Q1 2025 was Cambridge Investment Research Advisors, an estimated $2.06M added.
- The largest Calamos S&P 500 Structured Alt Protection ETF - December seller in Q1 2025 was Jane Street, an estimated $1.67M sold.
Based on aggregated 13F filings for Q1 2025.